/* Loader overlay styles */
.loader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(255,255,255,0.7);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
}
.loader-overlay.active {
  opacity: 1;
  pointer-events: all;
}
.loader-spinner {
  width: 60px;
  height: 60px;
  border: 6px solid #ddd;
  border-top: 6px solid #16a34a;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}